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NTA Abhyas JEE Main2020ChemistryStructure of AtomPractice

The energy of an electron in Bohr's orbit of hydrogen atom is − 13 .6   eV . The total electronic energy of a hypothetical He atom in which there are no electron-electron repulsions or interactions is

Options

  1. A27.2 eV
  2. B-27.2 eV
  3. C-108.8 eV
  4. D108.eV

Correct answer

C. -108.8 eV

Step-by-step solution

Electronic energy per electron = - 13.6 × 4 e V Total Electronic energy = - 13.6 × 4 × 2 = - 108.8 e V

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